Question 1

Question 1(b)In which areas are tropical rainforests found?

Accepted Answer

The tropical rainforests are found in hot and humid climate with a short dry season. They are found along the rainy slopes of the Western Ghats, the hills of eastern India, the Andaman and Nicobar islands and in some parts of West Bengal and Odisha.

Question 2

Question 1(c)Mention two characteristics of these forests.

Accepted Answer

Two characteristics of these forests are:Trees are either evergreen or semi-evergreen.Average rainfall is around 200 centimetres.

Question 3

Question 2(b)Name four trees which grow in the monsoon forests.

Accepted Answer

Four trees Which grow in the monsoon forests are:MahuaSandalwoodKhairSemul

Question 4

Question 3(a)Name three trees found in dry areas of Rajasthan.

Accepted Answer

Three trees found in dry areas of Rajasthan are:AcaciaBabulKikar

Question 5

Question 3(b)How did Sundarbans get its name?

Accepted Answer

Sundarbans got its name from the Sundari trees which are found here in large number.

Question 6

Question 3(c)Which type of vegetation is found at an altitude of above 3500 metres?

Accepted Answer

Shrubs and grasses of alpine variety are found at an altitude of above 3500 metres.

Question 7

Question 4(a)What is the percentage of forest cover in India?

Accepted Answer

The forest cover of India is one-fifth or 20%.

Question 8

Question 4(b)Name three products obtained from forests.

Accepted Answer

Three products obtained from forests are:Timber-wood and fire-woodResinLac

Question 9

Question 4(c)Mention three functions of forests.

Accepted Answer

Three functions of forests are:They maintain the water cycle and regulate the flow of water in streams.They meet nearly 40 percent of the total energy requirements of our country.They provide about 25 percent of the fodder required for the livestock in India.

Question 10

Question 5(a)In which national park are Indian lions found?

Accepted Answer

Indian lions are found in Gir forests.

Question 11

Question 5(b)Distinguish between a national park and a wildlife sanctuary.

Accepted Answer

Sl.No.National ParkWildlife Sanctuary1.A National Park is a reserved area meant for preserving not only wildlife, but also the natural vegetation and the natural beauty of a region.A Wildlife Sanctuary is a reserved area meant for the preservation and development of endangered species.2.Examples: Dudhwa National Park and Kanha National ParkExamples: Gulmarg and Kedarnath Wildlife Sanctuary

Question 12

Question 1Desert plants have deep roots

Accepted Answer

Desert plants have deep roots because it enables the plants to absorb water from great depths. It is an adaptation of xerophytic plants to survive in desert area.

Question 13

Question 4Name three states where desert vegetation is found.

Accepted Answer

Three states where desert vegetation is found are:PunjabHaryanaRajasthan

India — Flora and Fauna

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